Aqa Bozorg Tehrani

Ayatollah Sheikh Mohammed Mohsen Manzavi Tehrani, popularly known as Agha Bozorg Tehrani (7 April 1876 – 20 February 1970), was a Shia scholar born and based in Tehran. He was a Shia scholar from Hawza Elmiye Najaf. He taught Grand Ayatollah Ali Hussaini Sistani, Grand Ayatollah Muhammad Hussain Najafi, and many others.

He wrote, among others, the following notable books:

Al-Dharīʿa ilā Taṣānīf al-Shīʿa (List of Shia Books) (26 volumes), the list was compiled in 1908. It references 53,510 books written by Shia scholars. Ṭabaqāt aʿlām al-Shīʿa (List of Shia Ulema) (9 volumes) Mustadrak kashf al-ẓunūn or Dhayl kashf al-zunūn, Tehran, Maktabat al-Islāmiyya and also Ja'fari Tabrizi, 1387/1967.